412 citations
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January 1998 in “Science” A mutation in the human hairless gene causes alopecia universalis.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Damaged hair follicle stem cells may leave the skin to help maintain youthfulness.
January 2006 in “Journal of Rural Medicine” Trichotillomania is more common than previously thought, with increasing diagnosed cases.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
October 2023 in “Psychiatry research. Case reports” A new HRAS gene variant may cause a range of symptoms including intellectual disability and psychiatric issues.
4 citations
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April 2018 in “The journal of pediatrics/The Journal of pediatrics” A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.
28 citations
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October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
2 citations
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November 2023 in “Indian Dermatology Online Journal” A 4-year-old girl with a rare lupus condition was successfully treated with oral corticosteroids, leading to full recovery and hair regrowth.
23 citations
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January 2016 in “Brazilian Journal of Psychiatry” First-episode psychosis patients have higher hair cortisol levels, indicating early stress response issues.
9 citations
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April 2021 in “Frontiers in Immunology” Unconventional lymphocytes are important for quick immune responses and healing of skin and mucosal barriers.
August 2024 in “Revista Científica Multidisciplinar Núcleo do Conhecimento” Malassezia restricta may be linked to intestinal diseases like Crohn's and ulcerative colitis.
November 2024 in “Journal of Investigative Dermatology” Genetic defects in the Wnt/PCP pathway may cause congenital yellow nail syndrome.
8 citations
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March 2017 in “Journal of Mind and Medical Sciences” Human sexuality involves complex mental processes unique to humans.
1 citations
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January 2018 in “Open Scholarship Institutional Repository (Washington University in St. Louis)” Medieval authors used hair in literature to challenge identity and societal norms.
January 2026 in “Advances in Dermatology and Allergology” Stress significantly affects the quality of life in patients with lichen planopilaris and frontal fibrosing alopecia.
August 2003 in “Dermatologic Surgery” Craig Ziering created a system to classify scalp hair patterns, important for improving hair restoration surgery results.
July 2022 in “JEADV Clinical Practice” The document concludes that different types of permanent hair loss conditions are related and early treatment is key to preventing further damage.
September 2025 in “Annals of Plastic Surgery” Inverted follicular keratosis on the eyelid can be cured with surgery and has a great prognosis.
2 citations
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October 1931 in “Archives of Dermatology and Syphilology” A rare scalp infection in a child developed into a kerion with additional skin symptoms.
4 citations
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February 2001 in “PubMed” A medication called sodium valproate likely caused a girl's hair to become kinky and dry.
Vertex accentuation is a common pattern in female hair loss.
5 citations
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June 2014 in “Gastroenterology report” Cronkhite-Canada syndrome can sometimes show unusual colonic adenomatous polyps.
25 citations
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April 2008 in “Clinical and experimental dermatology” EFFC might be common but underreported.
January 2026 in “SSRN Electronic Journal” January 1996 in “International Society of Hair Restoration Surgery”
20 citations
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January 2005 in “Australasian Journal of Dermatology” A woman had a skin condition with increased normal elastic fibers, not related to other known disorders, likely due to aging.
January 2021 in “Clinical case studies and reports” A man had nail and hair changes months after severe Covid-19, showing long-term effects.
4 citations
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January 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A faulty KLHL24 gene leads to hair loss by damaging hair follicle stem cells.
9 citations
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May 2008 in “Journal of Clinical Oncology” A woman's ovarian tumor causing high testosterone was successfully removed, and her symptoms improved.